215768735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2383}}^1$

素因数の和:2607

約数の個数: 32

約数和(自身を含む): 320409600

約数和(自身を除く): 104640865

約数列:

[1, 5, 7, 13, 35, 65, 91, 199, 455, 995, 1393, 2383, 2587, 6965, 11915, 12935, 16681, 18109, 30979, 83405, 90545, 154895, 216853, 474217, 1084265, 2371085, 3319519, 6164821, 16597595, 30824105, 43153747, 215768735]

約数ペア:

[(1, 215768735), (5, 43153747), (7, 30824105), (13, 16597595), (35, 6164821), (65, 3319519), (91, 2371085), (199, 1084265), (455, 474217), (995, 216853), (1393, 154895), (2383, 90545), (2587, 83405), (6965, 30979), (11915, 18109), (12935, 16681)]